Structural and rheological properties of chitosan semi-interpenetrated networks L. Payet, A. Ponton, J. -L. Grossiord and F. Agnely Eur. Phys. J. E, 32 2 (2010) 109-118 Published online: 04 June 2010 DOI: 10.1140/epje/i2010-10602-7